this should help you(btw, clen isn't a steroid and it doesn't cause muscle gain), if you have any questions after reading these feel free to ask
Clen FAQ
contributed by WARmachine ~ Written by perfectbeast2001
http://forums.steroid.com/showthread.php?t=269240
Cytomel (T3)
http://forums.steroid.com/showthread.php?t=199815